Ophthalmic mounting.



G. H. DAY;

OPHTHALMIC MOUNTING.

APPLICATION FILED nmzs. 19x7.

1 ,266,225a Patented May 14; 1918.

[IV I/EA/ TOR GEORGE H DAY A TTOR/VEYS ED STATES PATENT OFFICE.

GEORGE E. DAY, OF SOUTHBBIDGE, MASSACHUSETTS, ASSIGNOB TO AMERICAN OPTICAL COMPANY, OF SOUTHBRIDGE, MASSACHUSETTS, A VOLUNTARY assocmrro'n or mnssacnosnr'rs.

ornrmmrc mounrme.

Specification of Letters Patent.

Patented May 14,1918.

To all whom it ma concern:

Be it known t at I, GEORGE H. DAY, a citizen of the United States, residing at Southbridge, in the county of Worcester and State of Massachusetts, have invented certain new and useful Improvements in Ophthalmic Mountings, of which the following is a specification.

This invention relates to new and useful improvements in ophthalmic mountings and more particularly to frame connections for eyeglasses.

The main object of the present invention is the provision of means for connecting the meeting ends of a frame and at the same time provide a suitable support for a nose iece.

A further object of the present invention is the provision of a connecting member of the above character whereby the nose piece is attached thereto and securely held against any lateral movement with respect to the frames.

A further object of the invention is the provision of means for detachably connecting the ends of a metallic or non-metallic frame provided with means whereby the ends of the frame may be drawn tightly together, should they become loosened during constant wear.

With theabove and other objects in view the invention consists in the novel features of construction and the combination and arrangement of the parts hereinafter more fully set forth, pointed out in the claims and shown in the accompanying drawings, in which:

Figure I is a front elevation of a pair of eyeglasses constructed in accordance with my invention.

Fig. II is a yertical sectional view.

Fig. III is a transverse sectional view taken between the. two connecting members,

Fig. IV is a sectional view throu h the nose piece looking in the direction in icated by the arrow in I. i

Fig. V is a deta' perspective view of one of the connecting lates illustrating a portion of the nose brldge attached thereto.

In the drawings accompanying this application, the numeral 1 indicates the nose piece, and 2 the frames of my improved eyeglasses. Said frames as illustrated may be formed of zylonite provided with an inner band 3 formed of any suitable metal, and connected to each end of this band is a plate, the plates in the accompanying drawings being indicated by the numerals 4 and 5 respectively. These plates are suitably attached to the end-of the lens band 3 and when in position are disposed upon one side of the lens 6 at a point just above the transverse center and are provided with suitable screw openings 7 adapted for the reception of the screws 8 and ,9. These screw members 8 are used for securing in position u on the lens and inclosing the metal ban 3, a non-metallic rim, which in the present instance is shown as formed of zylonite, but it will be readily understood that any suitable material may be used for this purpose. As noted, the screws 8 are engaged with the ends of this non-metallic material to se curely hold the same in place upon the edge of the lenses.

The plates 4: and 5 are preferably disposed in super-imposed relation and project at one end thereof beyond the edge of the nonmetallic frame and are originally connected together by means of a screw member 9. Secured to the inner edge of the plate 4: is the nose bridge 1, a portion of which extends through a slot 10 formed in the plate 5 so as to securely retain the nose bridge against any lateral movement with respect to theplate 4. From this it will be apparent that the two plates 4 and 5 may be readily. disconnected by removing the screw 9. and as each one of the plates is connected to the end of the non-metallic rim 2, these rims may be readily removed from the edge of the lenses so that the lenses themselves can be readily replaced by new ones when desired.

It will be undertood that in the formation of my improved mounting the screw members 8 are referably engaged with the zylonite or other non-metallic material when the same is in a heated condition so that the screw members will be more securely engaged with the material and prevent them from being easily withdrawn or removed. It will be understood, however, that they ma be readily unscrewed from the material an the rims quickly detached from the plates 4 and 5 by first removing the screw members 9, separating the plates and then unscrewing the screws 8. It will be noted,

however, that when these plates'are in position and the ends of the nose bridge are disposed Within the slots 10 of the plates 5 the nose bridge will be securely held against any lateral movement with respect to the frame.

While I have set forth certain materials for use in constructing my improved mountin it will he understood that any material sultalole for the purpose may be used.

I claim:

1. In a device ofthe character described, a metallic split rim, means carried by the ends of said rim to detachably connect them together, a nose bridge supported by the connecting means, .a non-mctallic rim, and means for removably attaching the same over the metalie rim.

2. A device of the class described, including a metallic split rim, plates connected to the ends of the rim, means for detachably connecting the plates, 2. non-metallic rim detachably mounted upon the metallic rim, one of said plates having a slot in one edge thereof, a nose bridge connected with the other of said plates and having a portion thereof disposed within the slot, as and for the purpose set forth.

3. An ophthalmic mounting, including a a nose bridge having its end portions supported by the plates, as and for the purpose set forth.

In testimony whereof I have atiixcd my signature, in presence of two witnesses.

GEORGE H. DA Y.

Witnesses WM. P. Cruse, V frnmmr B. Jones. 

